I believe that no-one thought of the possibility of a design that
allowed that incorrect insertion. It is known to the responsible BSI
committee, but of course it takes time for the standard to be amended.
Until it is, conformity to the existing standard cannot be denied.
However, the marketing of such a device might violate the GPS Directive
in Europe, although that is not certain because unshuttered sockets are
legal in some EU/EFTA countries. Since it only affects those countries
that use the BS136X system, the appropriate regulatory action may be
problematical.
John Woodgate OOO-Own Opinions Only
J M Woodgate and Associates www.woodjohn.uk
Rayleigh, Essex UK
On 2018-07-15 14:52, Scott Xe wrote:
I received a sample of portable extension sockets with a
compliance certificate of BS 1363-2. It is noted the slim
enclosure design allows the mains plugs to be inserted into the
sockets up-side-down by mistake. In such circumstance, only the
earth pin is inserted and the plug opens the shutter of L and N
terminals posting the risk to access the L and N terminals with a
test pin. It is a foreseeable misuse but seems no breach of the
safety standard. Can someone share why it can be tolerated by the
standard?
Thanks and regards,
Scott
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